Phospholipase A(2), reactive oxygen species, and lipid peroxidation in CNS pathologies.

Phospholipase A(2), reactive oxygen species, and lipid peroxidation in CNS pathologies.
复制标题

DOI:
10.5483/bmbrep.2008.41.8.560
复制
发表时间:
2008-08-31
期刊:
影响因子:
3.8
通讯作者:
Hatcher JF
Hatcher JF
中科院分区:
生物学3区
文献类型:
--
作者:
Adibhatla RM;Hatcher JF

文献摘要

参考文献

被引文献

相似文献

脂类在细胞信号和组织生理学中的重要性已被许多涉及脂代谢失调的中枢神经系统病理所证明。其中一个关键的代谢事件是磷脂酶A2(PLA2)的激活,导致膜磷脂的水解和包括花生四烯酸在内的游离脂肪酸的释放,花生四烯酸是重要的细胞信号转导二十烷基酸的前体。活性氧物种(ROS,花生四烯酸代谢的产物)与细胞脂质反应生成过氧化脂质,再降解成活性醛(氧化磷脂、4-羟基壬烯醛和丙烯醛),与蛋白质共价结合,改变蛋白质的功能,造成细胞损伤。由于PLA2的多种形式、不同的ROS来源以及缺乏特异性的PLA2抑制剂,剖析PLA2在中枢神经系统损伤和紊乱中对脂质过氧化的贡献是具有挑战性的。本文综述了磷脂酶A2在中风、脊髓损伤、阿尔茨海默病、帕金森病、多发性硬化症、实验性自身免疫性脑脊髓炎和沃勒变性等中枢神经系统疾病中的作用。
The importance of lipids in cell signaling and tissue physiology is demonstrated by many CNS pathologies that involve deregulated lipid metabolism. One such critical metabolic event is activation of phospholipase A2 (PLA2), resulting in hydrolysis of membrane phospholipids and release of free fatty acids including arachidonic acid, a precursor for important cell-signaling eicosanoids. Reactive oxygen species (ROS, a product of arachidonic acid metabolism) react with cellular lipids to generate lipid peroxides, which degrade to reactive aldehydes (oxidized phospholipid, 4-hydroxynonenal, and acrolein) that covalently bind to proteins, altering their function and causing cellular damage. Dissecting the contribution of PLA2 to lipid peroxidation in CNS injury and disorders is challenging due to multiple forms of PLA2, diverse sources of ROS and lack of specific PLA2 inhibitors. This review summarizes the role of PLA2 in CNS pathologies including stroke, spinal cord injury, Alzheimer’s, Parkinson’s, Multiple sclerosis - Experimental autoimmune encephalomyelitis and Wallerian degeneration.
DOI: 10.1084/jem.20031763
发表时间: 2004-12-06
期刊: The Journal of experimental medicine
影响因子: --
作者:
Chang MK;Binder CJ;Miller YI;Subbanagounder G;Silverman GJ;Berliner JA;Witztum JL
通讯作者: Witztum JL
DOI: 10.1016/s0014-5793(02)03407-5
发表时间: 2002-10-30
期刊: FEBS LETTERS
影响因子: 3.5
作者:
Krönke, M;Adam-Klages, S
通讯作者: Adam-Klages, S
DOI: 10.1089/152308603770310329
发表时间: 2003-10-01
影响因子: 6.6
作者:
Adibhatla, RM;Hatcher, JF;Dempsey, RJ
通讯作者: Dempsey, RJ
DOI: 10.1111/j.1471-4159.2004.02577.x
发表时间: 2004-09-01
影响因子: 4.7
作者:
Jiang, JF;Borisenko, GG;Kagan, VE
通讯作者: Kagan, VE
DOI: 10.1111/j.1471-4159.2004.02540.x
发表时间: 2004-08-01
影响因子: 4.7
作者:
Lin, TN;Wang, Q;Sun, GY
通讯作者: Sun, GY